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KMID : 0363219940320020253
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Korean Journal of Dermatology
1994 Volume.32 No. 2 p.253 ~ p.257
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UVB Induced Minimal Erythema Dose(MED) and Minimal Melanogenic Dose(MMD) in Young Adult Koreans
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Abstract
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Background:
@EN The erythemal response and delayed tanning of the skin to UV radiations which are used as diagnostic phototest and guideline of phototherapy, are different according to the races and light sources.
@ES Objective:
@EN The MEC and MMD induced by UVB radiation were measured in 130 normal young adult Koreans.
@ES Methods:
@EN In this study, a high pressure mercury arc lamp(Burdick UV-800) and a sunlight fluorescent lamp(Waldmann UV 800) were used as UVB light sources. Multiple sites of the lower back or buttock skin were irradiated with an increasing dose by
constant
amount. The minimal dose of erythema response and delayed tanning of the skin were assessed visually at 24 hours and 7 days after irradiation, respectively.
@ES Results:
@EN MED and MMD of Burdick UV-800 are 18.0±9.8mJ/㎠(mean±S.D.), 29.7±12.5mJ/㎠, respectively. MED and MMD of Waldmann UV 800 are 70.8±28.5mJ/㎠ and 91.2±33.1mJ/㎠, respecively. The most frequent MED by Burdick UV-800 is 10mJ/㎠ and those by
Waldmann UV 800 are 50mJ/㎠ and 60mJ/㎠.
@ES Conclusion:
@EN In this study MED and MMD of young adult Koreans by two kinds of kinds of UVB light sources were assessed. The results show that MED is less than MMD and the levels of MED under which the photosensitivity is suggested are 5.6mJ/㎠by Burdick
UV-800
and 32.4mJ/㎠by Waldmann UV 800. (Kor J Dermatol 1994 ; 32(2) : 253~257)
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